Rear Fixed Gear For Dead-flying Bicycle Hub Nuts Cycling Drum Screws M9 M10 Drum Hub Fastening

Label:Yes Size: M9 M10 for option, please refer to graphics below for details Use: Mainly for fixed gear bicycle hub fastening Material:Carbon steel Package includes:1XBolt Color: Silver Net weight: Approx. 16gram/PC

Features & Specs: Contructed by steel and chrome furnished, firm and durable in use; With anti-skid texture for firm fixing;

Note: Normally, the front hub takes M9 and rear hub M10. But there are also some bicycle types taking M10 at both front and rear hub.